package com.lelouch.order.controller;

import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.DefaultProperties;
import org.springframework.web.client.RestTemplate;

import java.util.Arrays;

/**
 * 服务容错测试
 *
 * @author lcy
 * @create 2018-08-31 08:51
 */
@RestController
@DefaultProperties(defaultFallback = "defaultFallback")
public class HystrixController {


    //超时配置
    @GetMapping("/getProductInfoList")
    //@HystrixCommand(commandProperties = {
    //        @HystrixProperty(name="execution.isolation.thread.timeoutInMilliseconds",value = "500")
    //})
    //@HystrixCommand(commandProperties = {
    //        @HystrixProperty(name = "circuitBreaker.enabled", value = "true"),                //设置熔断
    //        @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold", value = "10"),    //请求数达到后才计算
    //        @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds", value = "10000"), //熔断时间
    //        @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage", value = "60"),    //错误率
    //})
    @HystrixCommand
    public String getProductInfoList(@RequestParam("number") Integer number) {
        if(number%2==0){
            return "success";
        }
        RestTemplate restTemplate = new RestTemplate();
        return restTemplate.postForObject("http://localhost:8080/product/listForOrder", Arrays.asList("157875196366160022"), String.class);
    }

    private String fallback() {
        return "太拥挤了, 请稍后再试~~";
    }

    private String defaultFallback() {
        return "默认太拥挤了, 请稍后再试~~";
    }

}

